小学、初中、高中各种试卷真题知识归纳文案合同PPT等免费下载www.doc985.com专题16光学电磁波目录01光学··································································································2考向一折射定律、折射率、光的传播问题及色散·····································································2考向二全反射及其应用················································································································7考向三光的干涉与衍射··············································································································16考向四几何光学与物理光学综合问题·······················································································1702电磁振动及电磁波··········································································19考向一电磁振荡电磁波·············································································································19小学、初中、高中各种试卷真题知识归纳文案合同PPT等免费下载www.doc985.com01光学考向一折射定律、折射率、光的传播问题及色散1．（2023·全国·高考真题）（多选）等腰三角形△abc为一棱镜的横截面，ab=ac；一平行于bc边的细光束从ab边射入棱镜，在bc边反射后从ac边射出，出射光分成了不同颜色的两束，甲光的出射点在乙光的下方，如图所示。不考虑多次反射。下列说法正确的是（）A．甲光的波长比乙光的长B．甲光的频率比乙光的高C．在棱镜中的传播速度，甲光比乙光的大D．该棱镜对甲光的折射率大于对乙光的折射率E．在棱镜内bc边反射时的入射角，甲光比乙光的大2．（2023·浙江·高考真题）如图所示为一斜边镀银的等腰直角棱镜的截面图。一细黄光束从直角边以角度入射，依次经和两次反射，从直角边出射。出射光线相对于入射光线偏转了角，则（）A．等于B．大于C．小于D．与棱镜的折射率有关3．（2023·湖南·高考真题）（多选）一位潜水爱好者在水下活动时，利用激光器向岸上救援人员发射激光信号，设激光光束与水面的夹角为α，如图所示。他发现只有当α大于41°时，岸上救援人员才能收到他发出的激光光束，下列说法正确的是（）小学、初中、高中各种试卷真题知识归纳文案合同PPT等免费下载www.doc985.comA．水的折射率为B．水的折射率为C．当他以α=60°向水面发射激光时，岸上救援人员接收激光光束的方向与水面夹角小于60°D．当他以α=60°向水面发射激光时，岸上救援人员接收激光光束的方向与水面夹角大于60°4．（2023·江苏·高考真题）地球表面附近空气的折射率随高度降低而增大，太阳光斜射向地面的过程中会发生弯曲。下列光路图中能描述该现象的是（）A．B．C．D．5．（2022·浙江·高考真题）如图所示，用激光笔照射半圆形玻璃砖圆心O点，发现有a、b、c、d四条细光束，其中d是光经折射和反射形成的。当入射光束a绕O点逆时针方向转过小角度时，b、c、d也会随之转动，则（）小学、初中、高中各种试卷真题知识归纳文案合同PPT等免费下载www.doc985.comA．光束b顺时针旋转角度小于B．光束c逆时针旋转角度小于C．光束d顺时针旋转角度大于D．光束b、c之间的夹角减小了6．（2021...